Extended battery life is a common design requirement across a variety of applications. Whether it’s for toys or water meters, designers have various techniques at their disposal to improve battery life. In this post, I will illustrate one such technique that involves strategically bypassing a low dropout linear regulator (LDO).
Generating the...

Linear regulator, boost (step-up) or buck (step-down) – these are the three power-supply topologies for most smart locks. Which do you choose for your designs? Why does it matter?
The success of any Internet of Things (IoT) device hinges on its...

With portable products packed with new features and an embedded lithium-ion battery inside, one key design consideration is how to optimize the end-user experience with fast and cool charging. Most higher-current (>1A) portable electronics have ad...

Battery packs are used in the products that we depend on daily. Many of our portable devices such as our cell phones, our watches and our tablet computers are constantly at our sides and running on batteries. Consequently, their batteries discharge t...

Don’t let your battery drain on the shelf – use ship mode
You’ve done it; your battery-powered design is complete: a new wearable for the consumer electronics market. You’re excited, and you want your consumers to feel that same excitement when they open the box and turn the device on. But how do you make sure that happens...

A battery gauge is essential in most modern systems to help determine how much power a given system can draw from the battery pack. Whether batteries are the system’s primary or backup power source, in most systems reliably operate on. In most...

Lithium ion (Li-Ion) or lithium polymer (LiPo) batteries are key components in some portable systems, especially power banks. But on rare occasions, these batteries have the potential risk of catching on fire or even exploding in short-circuit, overvoltage or high-temperature conditions. An increasing number of such incidences are occurring even today...

Step-by-step calculation of gauging accuracy and other factors affecting accuracy
In part 1 of this series, I discussed the difference between measurement accuracy and gauging accuracy. I highlighted that gauging accuracy depends on the accuracy of i...

Did you know, the Centers for Disease Control and Prevention has a web page from the Office of Public Health Preparedness and Response to address zombie preparedness . They claim that it is tongue in cheek, but we all know better.
Here’s ...

bq77905 3S to 5S Advanced Stackable Low Power Battery Protector EVM
When it comes to any type of protection, the solution should be simple. Protection should be something that you design and set up once and don’t have to worry about again; at ...

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